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title, tags
| title | tags | ||
|---|---|---|---|
| unison |
|
Install unison on both machines, and make sure both have the same version of unison, with the same version of the ocaml compiler (the smallest difference will cause problems).
unison -version
Create the ~/.unison directory on both machines.
Make a job called backup:
vim ~/.unison/backup.prf
You can name the file anything, but it must end in .prf.
Here is an example job, which synchronizes the ~/music directory with a remote machine.
auto = true
root=/home/ghost
root=ssh://ghost@192.168.0.10//home/ghost/
path=music
ignore=Name *.flac
The last command means it will ignore any file with a name ending in .flac.
Automatic Runs
The first command means this will run but also confirm which files will be deleted, and which will be transferred, us batch = true instead.
Or you can deleted that line in the .prf file and run it with a flag:
unison -batch backup.prf
Set unison to run with crontab or a systemd unit file to have directories synchronize automatically.
Problem Solving
You will see data files summarizing what has happened in the ~/.unison directory.
If something goes wrong, you may be prompted to delete these to start again.